<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>
        
<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "./mixins/resize";
             
export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "600px"
    },
    autoResize: {
      type: Boolean,
      default: true
    },
    chartData: {
      type: Object,
      required: true
    }
  },
  data() {
    return {
      chart: null
    };
  },
  watch: {
    chartData: {
      handler(val) {
        this.setOptions(val);
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart();
    });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, "macarons");
      this.setOptions(this.chartData);
    },
    setOptions({ lineDate, lineData, lineTitle }) {
      console.log(lineTitle);
      this.chart.clear();
      this.chart.setOption({
        xAxis: {
          data: lineDate,
          boundaryGap: false,
          axisTick: {
            show: false
          },
          axisLabel: {  
            interval:0,  
            rotate:60  
          }
        },
        grid: {
          left: 20,
          right: 10,
          bottom: 20,
          top: 30,
          containLabel: true
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross"
          },
          padding: [5, 10]
        },
        title: {
          text: lineTitle,
          textStyle: {
            color: "#0DB9F2", //颜色
            fontStyle: "normal", //风格
            fontWeight: "normal", //粗细
            fontFamily: "Microsoft yahei", //字体
            fontSize: 14, //大小
            align: "center" //水平对齐
          }
        },
        yAxis: {
          axisTick: {
            show: false
          }
        },
        series: [
          {
            smooth: true,
            type: "line",
            data: lineData,
            animationDuration: 2800,
            animationEasing: "cubicInOut"
          }
        ]
      });
    }
  }
};
</script>
